{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["engineering feature", "process characterization", "manufacturing process", "machine or equipment", "machanical property", "application"], "input": "A comprehensive overview on powder bed fusion process is presented in this review paper ."}
{"engineering feature": [], "process characterization": [], "manufacturing process": ["powder bed fusion process"], "machine or equipment": [], "machanical property": [], "application": []}